int main(int argc, char *argv[]) {
init_imgproc();
Viewer *view = viewOpen(200, 200, "Sails");
Image *img = imgFromBitmap(argv[1]);
for (int x = 0; x < img -> width; x++) {
for (int y = 0; y < img -> height; y++) {
char * pixel = imgGetPixel(img, x, y);
char red = pixel[2];
char green = pixel[1];
char blue = pixel[0];
if (red > green && red > blue) {
imgSetPixel(img, x, y, 255, 0, 0);
} else if (green > red && green > blue) {
imgSetPixel(img, x, y, 0, 255, 0);
} else {
imgSetPixel(img, x, y, 0, 0, 255);
}
}
}
viewDisplayImage(view, img);
waitTime(5000);
imgDestroy(img);
viewClose(view);
quit_imgproc();
return 0;
}
int main(int argc, char * argv[])
{
init_imgproc();
clock_t start = clock();
pid_t pid;
int fdr, fdw;
fdr = open("/dev/xillybus_read_32", O_RDONLY); //get descriptor from PL output
fdw = open("/dev/xillybus_write_32", O_WRONLY); //get descriptor from PL input
if ((fdr < 0) || (fdw < 0))
{
perror("Failed to open Xillybus device file(s)");
exit(1);
}
pid = fork();
if (pid < 0)
{
perror("Failed to fork()");
exit(1);
}
if (pid) //child process
{
close(fdr);
uint32_t *tologic;
char *buf;
int rc, donebytes;
Image * img = imgFromBitmap("lena.bmp");
int pixel_count = img->width*img->height;
uint32_t bytes_count = pixel_count*sizeof(uint32_t);
tologic = malloc(bytes_count);
if (!tologic)
{
fprintf(stderr, "Failed to allocate memory\n");
exit(1);
}
uint32_t x, y;
for(x = 0; x < img->width; x++)
{
for(y = 0; y < img->height; y++)
{
tologic[x*(img->height)+y] = *((uint32_t *)(imgGetPixel(img, x, y))) >> 8;
}
}
buf = (char *) tologic;
donebytes = 0;
while (donebytes < bytes_count) //loop care about writing all bytes to PL
{
rc = write(fdw, buf + donebytes, bytes_count - donebytes);
if ((rc < 0) && (errno == EINTR)) continue;
if (rc <= 0)
{
perror("write() failed");
exit(1);
}
donebytes += rc;
}
imgDestroy(img);
close(fdw);
return 0;
}
else //parent process
{